Study Suggests Cancer and Chemotherapy Patients Are Not Fully Protected by the Covid-19 Vaccine

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Cancer patients who are undergoing chemotherapy may have less protection against the coronavirus even if they are vaccinated, although a third dose increases their immune response. This is how scientists from the Department of Health Sciences at the University of Arizona argue that they published their findings in the journal Nature Medicine this September 30.

To reach these conclusions, the experts selected 53 individuals on chemotherapy inoculated with the Pfizer-BioNTech drug and compared their immune response with that of 50 completely healthy adults also vaccinated with the same component.

It turned out that most cancer patients did generate a number of antibodies against the virus. “We have analyzed the antibodies, B lymphocytes and T lymphocytes, which constitute the body’s defense system, and we have found that the vaccine is likely to protect, at least partially, the majority of people who receive chemotherapy, “said one of the authors of the research Deepta Bhattcharya, aforementioned by a statement from the University of Arizona.

However, the level of protection was far below enjoyed by healthy participants. Some had not even developed antibodies. In light of this, 20 participants with cancer received a booster dose, which increased their protection rates. This, in turn, brought the chemotherapy group’s antibody level to match that of healthy people.

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